EXC_BAD_INSTRUCTION in System.ValueTuple.Tests on tvos

[mrek-msft]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1519006
Build error leg or test failing: System.Runtime.Tests.WorkItemExecution
Pull request: #131126

Error Message

DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": ["System.ValueTuple.Tests", "EXC_BAD_INSTRUCTION"],
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1519006
Error message validated: [System.ValueTuple.Tests EXC_BAD_INSTRUCTION]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 7/22/2026 12:51:19 PM UTC

Report

Build	Repository	Test	Pull Request
1519006	dotnet/runtime	System.Runtime.Tests.WorkItemExecution	#131126

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	1	1

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